I want to liberate America from all the things that hold people back.
可持续农业需要在技术和生态保护之间取得平衡。
People who cannot find time for recreation are obliged sooner or later to find time for illness.
你被允许同时是一件杰作和一件正在进行中的作品。
中心地的规模和分布并非偶然,而是遵循一定的规律。
对人骄傲无礼的人,不是有出息的人。骄傲,就是自满;自满,就是空虚。行事有了自满与空虚,做事就会被限制。
The process of doing mathematics is as important as the result itself.